/Engine/Plugins/Developer/Concert/ConcertMain/Source/Concert/Public/IConcertSessionHandler.h
TConcertRawSessionCustomEventHandler ( [FDelegateHandle](API\Runtime\Core\Delegates\FDelegateHandle) InHandle, HandlerType * InHandler, [FFuncType](API\Plugins\Concert\TConcertRawSessionCustomEventHan-\FFuncType) InFunc )